Grade 12th passAlgebra
if a>0 and x>y the show thata^x+a^-x>a^y+a^-x
if a>0 and x>y the show that
a^x+a^-x>a^y+a^-x
1 Answer
Ravi
Both the sides contain a common exponenta^x+a^-x>a^y+a^-x
Eliminate the exponent first. As x>y, and a>0 so a^x>ay
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Eliminate the exponent first. As x>y, and a>0 so a^x>ay
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